Tacking on 20 damage to any attacks your future Pokemon do is already nice, and then add in the fact that this card reduces the retreat cost to zero to whatever mon is equipped with this, and youre looking at a top-tier tool for the future deck archetype
6 Vraska, Betrayal's Sting - $46.85 Vraska, Betrayal's Sting is a new Planeswalker with a focus on the returning Poison Counter mechanic this card is worth the most when it's a Borderless Step-and-Compleat Foil, showing off its art in a muted, monochrome blue color
During the editing process, it was explained to me by a pressman that, as much as I may want to be able to do this, it is actually impossible
Galinas also apparently left-handed
Erikas invitation 151 - Special Illustration Rare Last but not least, we have Erikas invitation from 151
All in all, if we add the Invocations to the rest of the cards in the set, we have a total expected value of $72 , which is far below the norm (if you drop the 15% deduction because you aren't planning on selling any of the cards, the value increases to $82.80, which is still quite low)
